Bridget A. Otto, The Oregonian

The original doors in the living room were both changed: one was dry-walled over; the other moved down the wall to the left. Then the staircase was established and a new door added to access under the stairs -- to another unseen set of stairs to the basement.

This is indeed my mistake. In talking with Ben Waechter, the architect on the project, he used the term foursquare as the premise of the plan to restore the spatial orientation of the house. I got "stuck" on the term and used it erroneously. Thank you for all the comments.

Laura: Noelle says she had that color custom made from a piece of fabric, which you can do at nearly any paint store. They can custom match just about anything. On the advice of her painter, she uses either Benjamin Moore and Sherwin Williams brands.

A check with folks her at NW Natural confirms that 8-1-1 is indeed a free service to anyone needing pipes located before digging. So, please, call before you dig.
nwnatural.com/Business/Safety/811CallBeforeYouDig.